function search_tab(t,f,s)
{
	str = '';
	switch(t)
	{
		case 'music':
		t_t='all';
		m_arr = new Array('all','mp3','mp4','3gp','avi','rm','rmvb','wma','flash','mid');
		m_arr_t = new Array('全部音乐','mp3','mp4','3gp','avi','rm','rmvb','wma','flash','mid');
		for(i=0;i<m_arr.length;i++)
		{
			if(f==m_arr[i])
			{
				t_t=f;
			}
		}
		for(i=0;i<m_arr.length;i++)
		{
			str += '<label><input type="radio" name="f" value="' + m_arr[i] + '"' + (t_t == m_arr[i] ? ' checked':'') + ' />' + m_arr_t[i] + '</label>';
		}
		break;
		case 'image':
		t_t='image';
		i_arr = new Array('image','jpg','gif','png','bmp');
		i_arr_t = new Array('全部图片','jpg','gif','png','bmp');
		i_arr_s = new Array("全部大小","小图","中图","大图","壁纸800x600","壁纸1024x768","壁纸1280x960","壁纸1280x1024","壁纸1600x1200");
		for(i=0;i<i_arr.length;i++)
		{
			if(f==i_arr[i])
			{
				t_t=f;
			}
		}
		for(i=0;i<i_arr.length;i++)
		{
			str += '<label><input type="radio" name="f" value="' + i_arr[i] + '"' + (t_t == i_arr[i] ? ' checked':'') + ' />' + i_arr_t[i] + '</label>';
		}
		str += '图片大小：<select name="size">';
		for(i=0;i<i_arr_s.length;i++)
		{
			str += '<option value="' + i + '"' + (s == i ? ' selected="selected"':'') + '>' + i_arr_s[i] +'</option>';
		}
		str += '</select>';
		break;
		case 'video':
		str = '<input name="f" type="hidden" value="video" />';
		break;
		case 'lyric':
		str = '<input name="f" type="hidden" value="lyric" />';
		break;
	}
	tabs = new Array('music','image','video','lyric');
	for(i=0;i<tabs.length;i++)
	{
		if(t == tabs[i])
		{
			document.getElementById('search_form_'+ tabs[i] +'_tab').className = 'search_form_active_tab';
		}
		else
		{
			document.getElementById('search_form_'+ tabs[i] +'_tab').className = 'search_form_nactive_tab';
		}
	}
	document.getElementById('search_form_select').innerHTML = str;
}